Paleontologists estimate that if a Tyrannosaurus rex were to trip and fall, it w

Question

Paleontologists estimate that if a Tyrannosaurus rex were to trip and fall, it would have experienced a net force of approximately 263,200 N acting on its torso when it hit the ground. Assume the torso has a mass of 3880 kg. (a) Find the magnitude of the torso's upward acceleration as it comes to rest. (For comparison, humans lose consciousness with an acceleration of about 7g.) m/s2 (b) Assuming the torso is in free fall for a distance 1.39 m as it falls to the ground, how much time is required for the torso to come to rest once it contacts the ground? s

Explanation / Answer

(3880)(9.8) = 38062
original net force 263200 - 38062 = 225137.2N
then taking that number and dividing by the mass 225137.2 N/3880 kg I was able to get the correct acceleration which was 58 m/s^2

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